Understanding Basement Contributory Value
By Jo Traut
Excerpts: Determining how a basement contributes to a residential property’s value requires an appraiser to determine what type of basement the home has, its level of finishing, and take into account common concerns, like evidence of mold or signs of structural concern.
By following best practices, including separating the basement from the above-grade finished area, understanding the intended use of the space, and completing comprehensive research, you can evaluate the basement’s contributory value more accurately.
Topics
- Know your basic basement types
- How is the basement finished? Determining levels
- Best practices when appraising a basement
- Know the intended use and client requirements
- Common problems in basements
- Environmental hazards: One of the most significant issues appraisers run into is mold.
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My comments: This is one of the best discussions of basements I have read. It is worth reading. In my area, there are few fully underground basements, as we have a mild climate. Most homes were built prior to 1930, and there are many types of “basements.” They are not easy to determine added value, if any. I research, check with agents, check permit histories, try to get comps with the same type of basement, etc. The type and level of finish are critical.
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NOTE: Please scroll down to read the other topics in this long blog post on non-lender appraisals and diversification of your appraisal business, home insurance problems affecting values, unusual homes, mortgage origination stats, etc.


Pulling comps from the other side of the freeway